ahaney4655 ahaney4655
  • 22-08-2022
  • Mathematics
contestada

What is the radius for a circle whose equation is x² + y² = 64?
A. 8
B. 16
C. 64
D. 32

Respuesta :

meredith48034
meredith48034 meredith48034
  • 22-08-2022

Answer:

Step-by-step explanation:

the radius for a circle √(64) = 8

answer is A

Answer Link
jimrgrant1 jimrgrant1
  • 22-08-2022

Answer:

A

Step-by-step explanation:

the equation of a circle centred at the origin is

x² + y² = r² ( r is the radius )

x² + y² = 64 ← is in this form

with r² = 64 ( take square root of both sides )

r = [tex]\sqrt{64}[/tex] = 8

Answer Link

Otras preguntas

PLEASE HELPPP!!!! Birds cannot grasp objects with their wingtips, yet their wings have bones that are homologous to finger bones. How does this homology show an
Does anyone know how to do this please help
HURRY Which factors contribute to a country's natural population growth? Select three responses. O immigration rate O migration rate Obirth rate Odeath rate Ofe
The area of a circle is 88.44 cm² find the length of the radius rounded to 2 DP
69. The reaction of iron metal with copper(II) bromide is shown in this balanced equation. How many grams of iron (II) bromide result from the reaction of 23.6
This table represents a proportional relationship between x and y. x 1.3 1.6 1.9 2.2 y 1.82 2.24 2.66 3.08 What is the constant of proportionality? Enter your a
Solve the equation 2(3x-2)=(12x+4)
Meaning of non intentional ambiguity
solve the simultaneous equation 5x + 2 Y = 8 and X + y = 1I need help ​
how is newton’s first law of motion used for a person in a stationary car during a car crash